I was working at a rather unpleasant job lately, and a friend of mine at my old job (who was actually my boss) decided to make me an offer to come back to her group. Now I'm back, and I'm a lot happier! We're not close, but she is a friend of mine and we did look out for one another before I left the company. I appreciate it very much, particularly given the state of the job market, that she welcomed me back with an offer for my skills which she has noted many times 'brings tremendous value'. I've been thinking of a gift to give her, beyond say taking her out to lunch/dinner. Her passion outside of work is training dogs (big dog lover), and I'm trying to figure out a gift that falls within this realm that she not only would really love, but use as well. Any thoughts/ideas? We're located in the NYC area if that helps.
...she already has a dog, btw.

How about a dog.

a good pair of shoes to walk her dog with, maybe an ipod card so she has tunes with her while she walks.